2725189 has 6 divisors (see below), whose sum is σ = 2876550. Its totient is φ = 2581416.

The previous prime is 2725187. The next prime is 2725199. The reversal of 2725189 is 9815272.

It can be written as a sum of positive squares in only one way, i.e., 2608225 + 116964 = 1615^2 + 342^2 .

It is not a de Polignac number, because 2725189 - 2¹ = 2725187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3414 + ... + 4135.

It is an arithmetic number, because the mean of its divisors is an integer number (479425).

2^2725189 is an apocalyptic number.

It is an amenable number.

2725189 is a deficient number, since it is larger than the sum of its proper divisors (151361).

2725189 is an equidigital number, since it uses as much as digits as its factorization.

2725189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7587 (or 7568 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 2725189 is about 1650.8146473787. The cubic root of 2725189 is about 139.6793511972.

The spelling of 2725189 in words is "two million, seven hundred twenty-five thousand, one hundred eighty-nine".